#include <iostream>
#include <vector>
using namespace std;

//int main(void)
//{
//vector<int>array;
//array.push_back(100);
//array.push_back(300);
//array.push_back(300);
//array.push_back(300);
//array.push_back(300);
//array.push_back(500);
//vector<int>::iterator itor;
//
//for(itor=array.begin();itor!=array.end();itor++)
//{
//    if(* itor==300)
//    {
//        itor=array.erase(itor);
//    }
//    }
//    for(itor=array.begin();itor!=array.end();itor++)
//    {
//        cout<<*itor<<" ";
//    }
//    return 0;
//}

//int main()
//{
//    int ar[] = {1,2,3,4,5,6,7,8,9,10};
//    int n = sizeof(ar) / sizeof(int);
//    vector<int> v(ar, ar+n);
//    cout<<v.size()<<":"<<v.capacity()<<endl;
//    v.reserve(100);
//    v.resize(20);
//    cout<<v.size()<<":"<<v.capacity()<<endl;
//    v.reserve(50);
//    v.resize(5);
//    cout<<v.size()<<":"<<v.capacity()<<endl;
//}

int main()
{
    int ar[] ={1,2,3,4,0,5,6,7,8,9};
    int n = sizeof(ar) / sizeof(int);
    vector<int> v(ar, ar+n);
    vector<int>::iterator it = v.begin();
    while(it != v.end())
    {
        if(*it != 0)
            cout<<*it;
        else
            v.erase(it);
        it++;
    }
    return 0;
}

